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hep-ph2009★ 63 cited
Resonant leptogenesis and tribimaximal leptonic mixing with A4 symmetry
G. C. Branco, R. Gonzalez Felipe, M. N. Rebelo +1
We investigate the viability of thermal leptogenesis in type-I seesaw models with leptonic flavour symmetries that lead to tribimaximal neutrino mixing. We consider an effective th…
hep-ph2007★ 69 cited
Weak Basis Transformations and Texture Zeros in the Leptonic Sector
G. C. Branco, D. Emmanuel-Costa, R. Gonzalez Felipe +1
We investigate the physical meaning of some of the texture zeros which appear in most of the Ansatze on leptonic masses and their mixing. It is shown that starting from arbitrary l…